diff --git a/build.go b/build.go
index b44d59c..297e99a 100644
--- a/build.go
+++ b/build.go
@@ -9,7 +9,12 @@ import (
 )
 
 func buildAction(ctx *cli.Context) error {
-	cfgPath := ctx.String("c")
+	cfgPath, err := filepath.Abs(ctx.String("c"))
+
+	if err != nil {
+		return err
+	}
+
 	os.Chdir(filepath.Dir(cfgPath))
 	opts := readCfg(cfgPath)
 
diff --git a/main.go b/main.go
index bf7d3c0..171d9ae 100644
--- a/main.go
+++ b/main.go
@@ -10,6 +10,7 @@ import (
 	"strings"
 
 	"github.com/evanw/esbuild/pkg/api"
+	"github.com/jaschaephraim/lrserver"
 	"github.com/otiai10/copy"
 	"github.com/urfave/cli/v2"
 )
@@ -94,6 +95,11 @@ func main() {
 				Usage: "watch for changes and trigger the build",
 				Flags: []cli.Flag{
 					cfgParam,
+					&cli.UintFlag{
+						Name:  "lr-port",
+						Value: uint(lrserver.DefaultPort),
+						Usage: "port for the live reload server",
+					},
 				},
 				Action: watchAction,
 			},
@@ -132,6 +138,7 @@ func main() {
 				},
 			},
 		},
+		DefaultCommand: "watch",
 	}
 
 	if err := app.Run(os.Args); err != nil {
diff --git a/watch.go b/watch.go
index 2e2320a..8a65d90 100644
--- a/watch.go
+++ b/watch.go
@@ -15,7 +15,12 @@ import (
 )
 
 func watchAction(ctx *cli.Context) error {
-	cfgPath := ctx.String("c")
+	cfgPath, err := filepath.Abs(ctx.String("c"))
+
+	if err != nil {
+		return err
+	}
+
 	os.Chdir(filepath.Dir(cfgPath))
 	optsSetups := readCfg(cfgPath)
 
@@ -100,7 +105,8 @@ func watchAction(ctx *cli.Context) error {
 
 	go func() {
 		fmt.Println("Starting live reload server")
-		lr := lrserver.New(lrserver.DefaultName, lrserver.DefaultPort)
+		port := ctx.Uint("lr-port")
+		lr := lrserver.New(lrserver.DefaultName, uint16(port))
 
 		go func() {
 			for {